Freeview: Dover (Kent, England) full-Freeview transmitter
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Freeview on the Dover (Kent, England) transmitter

Google StreetviewGoogle mapBing mapGoogle Earth51.112,1.247 or 51°6'41"N 1°14'51"ECT15 7AQ

4G at 800MHz (at800) Freeview reception issues

When 800MHz 4G mobile broadband services start there will be 1 multiplex in the higher risk range (C21-23, C30, C59-60): C59: ArqA
See How do I know if the 4G broadband will overload my Freeview? and Full UK map of 4G issue areas for details.

Transmitter fauls and engineering works



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The symbol shows the location of the Dover transmitter which serves 190,000 homes.

Other maps:Dover DABDover AM/FMDover regionBBC South EastMeridian (East micro region)

Radiation patterns

Radiation patterns withheld

Map key

The bright green areas shown where the signal from this transmitter is strong, dark green areas are poorer signals. Those parts shown in yellow may have interference on the same frequency from other masts.

Dover transmitter Freeview broadcasts

If you have any kind of Freeview fault, follow this Freeview reset procedure first.

Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below. The rating shown takes in account the output power level and the various Freeview transmission modes and do not indicate an ongoing fault.

MuxEffective power level, aerial positionRatingModeWatts
PSB1
BBCA
 horizontal
Maximum64QAM 8K 2/3
24.1Mb/s
DVB-T MPEG2		80,000
Channel icons
1 BBC One South East, 2 BBC Two England, 7 BBC Three, 9 BBC Four, 70 CBBC Channel, 71 CBeebies, 80 BBC News, 81 BBC Parliament, 301 301, plus 12 others
• as a digital multiplex transmitted on frequency C50 (706.0MHz) from 370m datum.
PSB2
D3+4
 horizontal
Maximum64QAM 8K 2/3
24.1Mb/s
DVB-T MPEG2		80,000
Channel icons
3 ITV (Meridian (East micro region)), 4 Channel 4 South ads, 5 Channel 5 Part Network ads, 6 ITV 2, 13 Channel 4+1 South ads, 14 More 4, 28 E4, 33 ITV +1 (Meridian south coast),
• as a digital multiplex transmitted on frequency C51 (714.0MHz) from 370m datum.
PSB3
BBCB
 horizontal
Maximum256QAM 32KE 2/3
40.2Mb/s
DVB-T2 MPEG4		80,000
Channel icons
101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, plus 1 others
• as a digital multiplex transmitted on frequency C53 (730.0MHz) from 370m datum.
COM4
SDN
 horizontal
Above average64QAM 8K 3/4
27.1Mb/s
DVB-T MPEG2		40,000
Channel icons
10 ITV 3, 20 G.O.L.D. (not free), 25 Dave ja vu, 26 Home (not free), 27 ITV 2 +1, 30 5*, 31 5USA, 34 ESPN UK (not free), 38 Quest, 39 The Zone, 44 Channel 5 +1, 72 CITV, plus 22 others
• as a digital multiplex transmitted on frequency C55 (746.0MHz) from 370m datum.
COM5
ArqA
 horizontal
Above average64QAM 8K 3/4
27.1Mb/s
DVB-T MPEG2		40,000
Channel icons
 TV News,  TV Stars, 11 PICK TV, 12 Dave, 17 Really, 29 E4+1, 32 Movie Mix, 46 Challenge, 48 Food Network, 82 Sky News, 87 Community Channel, plus 9 others
• as a digital multiplex transmitted on frequency C59 (778.0MHz) from 370m datum.
COM6
ArqB
 horizontal
Above average64QAM 8K 3/4
27.1Mb/s
DVB-T MPEG2		40,000
Channel icons
15 Film 4, 18 4Music, 19 Yesterday, 21 VIVA, 24 ITV 4, 41 Sky Sports 1 (not free), 42 Sky Sports 2 (not free), 47 4seven, 83 Al Jazeera English, 85 RT English , plus 21 others
• as a digital multiplex transmitted on frequency C48 (690.0MHz) from 370m datum.


Regional news from the Dover transmitter


BBC South East Today 0.8m homes 3.2%
from Tunbridge Wells TN1 1QQ, 69km west
to BBC South East region - 45 masts.

ITV Meridian News 0.8m homes 3.1%
from Maidstone ME14 5NZ, 52km west-northwest
to ITV Meridian (East) region - 39 masts.

How the transmission frequencies change over time

years1960~851984-971997-981998-20122012-132013-182013-182019-
aerial groupVHFC/D EC/D EC/D EC/D EC/D EC/D EK
C10ITV
C22SDN
C25ArqA
C28ArqB
C39BBCB
C42D3+4
C45BBCA
C48ArqBArqBArqB
700C50BBC1BBC1BBC1BBCABBCABBCA
C51D3+4D3+4D3+4
C53C4C4C4BBCBBBCBBBCB
C55-ASDNSDNSDN
C56BBC2BBC2BBC2
C57+Clocal
C58+B
C59ArqAArqAArqA
C60-D
800C61+2
C66ITVITVITV
C681

orange background for multiplexes names moregreen background for transmission frequencieslilac background for power levels in watts800MHz band: 4G mobile to start in 2013700MHz band: possible 4G in 2019 more600MHz band: new or moved digital TV services more
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W
Italics for analogue, digital switchover was Wednesdays 13th June and 27th June 2012.

Comparison of old analogue and current digital signal levels

Analogue 1-4 100kW
BBCA, D3+4, BBCB(-1dB) 80kW
SDN, ARQA, ARQB(-4dB) 40kW
Mux 2*, Mux A*, Mux B*(-17dB) 2kW
Mux 1*, Mux C*(-20dB) 1000W
Mux D*(-23dB) 500W

History of Channel 3 in the Dover transmitter area

Aug 1958-Jan 1992Southern Television
Jan 1982-Dec 1992Television South (TVS)
Jan 1993-Feb 2004Meridian
Feb 2004-Dec 2014ITV plc
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only.


Your comments: most recent posts are at the bottom

firstFirst comments prevEarlier comments  ◊  Later commentsnext Latest commentslast

Your comments are always welcome. Please use the form below to add your thoughts or questions to this page. We will get back to you as soon as we can.

Dave Lindsay
Saturday 16 June 2012 10:26PM
Gordon Ormston: What sort of reception do you get on the three remaining analogue channels? (56, 66, 53)

Try with and without attenuation.

Some other things to try are:

- a 12 to 18 inch piece of wire inserted into the inner part of the aerial socket.

- a set-top aerial.

- connect the inner part of the aerial socket to the lead from your aerial leaving a gap unscreened so as to "loose" some signal.


The transmitter is only 3 miles away and you're not far of having line of sight.
Declan
Sunday 17 June 2012 12:00AM Canterbury
As luck would have it the the outside aerial pole broke in the high wind the other day. I have a HD TV and am considering installing a loft aerial. However, reading some of the information on the net it seems that an indoor loft aerial will not be sufficient for Freeview HD. Is this correct? Or can I get away with a loft aerial. Digital UK indicates that I need a C/D aerial for the Dover transmitter.
Dave Lindsay
Sunday 17 June 2012 12:28AM
Declan: What is sufficient depends on the location. Loft aerials get less signal due to it having to pass through the roof. Some roof slate isn't particularly conducive to a loft aerial.

See this plot which would suggest that you may have good line of sight at 14.5 miles:


Terrain between ( m a.g.l.) and (antenna m a.g.l.) - Optimising UK DTT Freeview and Radio aerial location

Obviously this doesn't take local obstructions into account, which is why I say "may have". If you're in a house, then that's obviously better because the aerial is higher up than a bungalow. If you're in a bungalow, then it might be best to mount it on a pole so that it's above the roof line.

You may be able to conduct some tests in your loft with your former roof aerial, if it is still in one piece.

See ATV Sheffield's website for lots of information and an online shop www.aerialsandtv.com

See:

www.aerialsandtv.com link icon Aerials, TV Aerial and Digital Aerial

It does hinge on how much your roof will attenuate the signal, but it does look like a log might work in your location.
Transmitter engineering
Sunday 17 June 2012 4:29AM
DOVER transmitter - Analogue BBC ONE Weak Signal; DSO related from 00:37 on 13 Jun BBC ONE Off Air; DSO related from 23:57 on 12 Jun to 00:36 on 13 Jun BBC TWO Weak Signal; DSO related from 05:05 on 12 Jun to 00:23 on 13 Jun [BBC]
Jim O'Shea
Monday 18 June 2012 3:48AM Ramsgate
Hi

I have retuned but have lost the ITV channels and the Yesterday channel on Freeview can you advise.

Regards

Jim
Transmitter engineering
Monday 18 June 2012 4:28AM
DOVER transmitter - Analogue BBC ONE Weak Signal; DSO related from 00:37 on 13 Jun [BBC]
Andrew Walter
Monday 18 June 2012 7:29AM Dover
Since my last post the Dover transmitter has had some engineering carried out and the BBC channels are now sort of watchable ( sound break ups and small pixelation). I still believe that I need more signal as my problems are exactly the same as Gordon ormstom's. It does seem though that whatever happened at Dover on Friday has made some sort of improvement.
Transmitter engineering
Monday 18 June 2012 11:28AM
DOVER transmitter - Analogue BBC ONE Weak Signal; DSO related from 00:37 on 13 Jun [BBC] Over the next week Dover main transmitter: TV (analogue) working normally, TV (digital) working normally, Radio (analogue) working normally, Radio (digital) working normally. [DUK] Over the next week Dover main transmitter: TV (analogue) working normally, TV (digital) working normally, Radio (analogue) working normally, Radio (digital) working normally. [DUK]
Dave Lindsay
Monday 18 June 2012 11:55AM
Jim O'Shea: There is the possibility that your receiver could have tuned to the Ramsgate relay instead of Dover. At the first stage, BBC comes on air on C26 and next week ITV1, C4 etc will be switched on on C23 and HD services C30. There are now Commercial services such as ITV3, Film 4 and Dave from this transmitter, so you are probably best advised to continue using Dover.

If you find that BBC is tuned to Ramsgate by looking on the signal strength screen, then you can avoid this by unplugging the aerial for the first 30% of the scan. This is probably good practice so as to avoid this as a possibility.
Gordon Ormston
Monday 18 June 2012 1:17PM Dover
Hi Dave

I can only pick up a signal on the three remaining analogue channels by using a booster and then the image is very snowy, nothing with or without an attenuator. A set top aerial does not work at all on any channels. Not sure what you meant about your last option 'loosing some signal by leaving a gap on the aerial unscreened' ? As with Andrew Walker there has been some improvement with the BBC channels over the weekend but still well below an acceptable standard and still need the booster to pick up the signal. Where do you go from here surely somebody has to be accountable?
Transmitter engineering
Tuesday 19 June 2012 3:28PM
DOVER transmitter - Analogue BBC ONE Weak Signal; DSO related from 00:37 on 13 Jun [BBC] Over the next week Dover main transmitter: TV (analogue) working normally, TV (digital) working normally, Radio (analogue) working normally, Radio (digital) working normally. [DUK]
Dave Lindsay
Wednesday 20 June 2012 10:37AM
Gordon Ormston: The fact that analogue is very poor and snowy suggest that the problem isn't too high a signal level.

The bit about connecting loosing some signal was intended to be a crude attentuator to reduce the signal level.

Based on poor analogue reception, this would tend to suggest that you are in a poor reception area and not one where your receiver could be suffering from the effects of too much signal.

I used Megalithia to plot the terrain from the transmitter to your location:


Terrain between ( m a.g.l.) and (antenna m a.g.l.) - Optimising UK DTT Freeview and Radio aerial location

This suggests that you may (just) have line of sight, although bear in mind that ground levels for the plot are sampled at intervals and it may go higher within these samples. This also does not take into account any obstructions such as trees and buildings.

It could be that you have poor reception because of the umbrella effect. You will note that you are 100m below the ground that the transmitter is sat on.

Transmitters put their main beam out towards the horizon. Its strength helps carry it. Thus, the closer to the transmitter you are, the more likely it is that you will be under the main beam, as it were. But there should still be sufficient signal. But the issue you "may" have is due to being so low down.

Could you (can you) receive (the lower power) Freeview signals before switchover?

I'm not an aerial installer, so I'm not sure what else you could try.

Having read your comments, perhaps the only thing that you can do in an effort to receive terrestrial television is to get an aerial installer in. Or go with Freesat.

There are some channels that are on Freeview, but not on Freesat, e.g. Yesterday and Dave. However, these are carried on the (Freeview) Commercial multiplexes and these are on lower power than the Public Service ones from Dover. So you "may" find that you can only receive the Public Service channels from Dover, all of which are available on Freesat.
Gordon Ormston
Thursday 21 June 2012 5:13PM Dover
Hi Dave

Many thanks for your detailed explanation. Prior to switch over we were able to receive the majority of the Freeview signals without any problems but a couple of the commercial channels were not always 100% reliable hence the booster. I am still able to view the mainstream commercial channels OK but suspect that may change after the 27th. Having carried out the tests you suggested I became less convinced our problem was due to higher BBC signal strength and your conclusions make a lot of sense. I will wait until after the 27th to see what happens before I decide what to do. I am in the meantime most grateful for your time and trouble in helping resolve the issue.

Regards
Gordon Ormston
Dave Lindsay
Thursday 21 June 2012 6:03PM
Gordon Ormston: The analogue signals will be radiated from the antenna system at the top of the mast. Because of their high power, I assume that the main beam is higher (to the horizon) whereas the lower power signals are radiated from antennas lower down and because they are lower power, I "wonder" if the beam is aimed a little lower, which makes it better for you.

Obviously the post switchover signals are on a par with the old analogue ones, which is why I wonder if you're always going to have difficulty.

As I say, I'm not an installer and I'm not an expert on TV transmitters, but as a technically-minded person, I wonder if the above is your problem.

Maybe have a look around and see what your neighbours have with regards aerials, although obviously some may have been put up to receive pre-switchover signals (not that they won't work after, of course).

The only other thing is are there trees in the way of your aerial, because they could be shadowing the signal, a signal which may not be great in the first place (as suggested above). If so, could the aerial be moved to get a better view?

Or will a taller mast allow sight above the trees? I appreciate that the answer to this question may well be no, or may be "yes, until they grow a bit more".
Dave Lindsay
Thursday 21 June 2012 6:18PM
Gordon Ormston: I have looked at Riverside on Streetview and I can see the trees in the direction of the Dover transmitter. I can also see that the aerials on the two houses at the end of the road are pointing in roughly the opposite direction at Crystal Palace or Bluebell Hill (these being only a couple of degrees apart). Presumably they have given up on reception from Dover, although the tall large aerials show that their reception is very difficult.
Transmitter engineering
Wednesday 27 June 2012 4:28AM
DOVER transmitter - Freeview BBC Digital TV Off Air; DSO related from 00:07 today Analogue BBC ONE Weak Signal; DSO related from 00:37 on 13 Jun [BBC]
Transmitter engineering
Wednesday 27 June 2012 8:27AM
DOVER transmitter - Freeview BBC Digital TV Off Air; DSO related from 00:07 today to 01:35 today Analogue BBC ONE Weak Signal; DSO related from 00:37 on 13 Jun [BBC]
Transmitter engineering
Thursday 28 June 2012 4:28AM
DOVER transmitter - Freeview BBC Digital TV Off Air; DSO related from 00:07 yesterday to 01:35 yesterday Analogue BBC ONE Weak Signal; DSO related from 00:37 on 13 Jun [BBC]
Transmitter engineering
Friday 29 June 2012 4:28AM
DOVER transmitter - Freeview BBC Digital TV Off Air; DSO related from 00:07 on 27 Jun to 01:35 on 27 Jun Analogue BBC ONE Weak Signal; DSO related from 00:37 on 13 Jun [BBC]
Gordon Ormston
Friday 29 June 2012 8:54PM Dover
Hi Dave

Thought you may be interested in hearing whats happened since the second phase of the Dover switch over on the 27th. Now receiving the mainstream commercial broadcasts on ch51 (previously ch42) and Yesterday/Film 4 on CH48 (previously ch55). All signals are of good strength and so far quality is excellent. Also Pick and Dave on ch59 OK. However can not pick up signals being broadcast on ch55 (ITV3, ITV2+1 and Quest).

More importantly still getting pixelation and intermittent loss of signal on ch50. Have checked the signal strength again and is only going up to a max of 40% and the quality is very poor.

Does the foregoing suggest that its not an aerial problem and could be the way the BBC signals are being broadcast.
kapo
Sunday 1 July 2012 8:18AM Margate
Briantist: I am ct9 3ry, since 27 june i have had no clear sound or picture on any channel,[sound breaking up,pixels,no channel] i have done all instructions, my ariel is only 12 months old, every channel worked perfectly before switchover,i am at my wits end on what to do.
david
Sunday 1 July 2012 11:22AM
all freeview channels working ok here.
for kapo are you geting your signal from the magate relay or from dover its self. if it's from dover it was put on the digital uk site on the 27 that some in magate could not pick up bbc channels but that meassage was removed the day after.

as for whats happening with your tv signals for bbc A Gordon Ormston
can i ask are you using dover main or the relay dover town. if its the main i ask this as you have dover next to your name. so im into thinking that your in dover it's self so have you tryed using dover town relay to get your bbc A channels to work for you. are you geting the bbc B & digital 3&4 mux's ok at they us the same power as bbc A.



Dave Lindsay
Sunday 1 July 2012 12:45PM
Gordon Ormston: Where there are objects in the way, i.e. trees, different frequencies can be affected to differing degrees.

This can be an issue when placing a set-top aerial (inside, obviously!). You find the one channel might be good in one spot and vice versa in another an this is because the signal has travelled through objects like walls, i.e. it is because the path from the transmitter to aerial isn't so clear.

BBC One analogue was on C50. Of the other three analogue channels, only Channel 4 former C53 is now used for the BBCB (HD) multiplex. Did you have difficulty with reception of these? I suppose this isn't very scientific as you never received analogue on the other channels now used for digital so have nothing to compare to.
Joe
Saturday 7 July 2012 7:52PM Canterbury
I am in Canterbury, CT2 and have had no consistently clear signal since the switchover (some days have clear signal for a couple of hours). Every digital channel was fine prior to this. Have retuned from factory settings numerous times, even without aerial to ensure memory wiped clean.

Any suggestions?
Mark Fletcher
Saturday 7 July 2012 8:33PM Halifax
Joe.Canterbury,CT2 8AG.
Yes,the likely cause is excess signal you are receiving,do you use signal boosters as such ?
If you do,this needs bypassing as the excess signal produces similar symptoms to that of a poor or no signal mode !
If not try experimenting with a set-top aerial or piece of wire or wee screwdriver into the aerial socket of your appliance,if this produces an improved signal then the prognosis is what i described in my first paragraph above as such !
Nick
Tuesday 10 July 2012 9:18AM Aldeburgh
I thought that the good people of Kent might be interested to know that in my coastal location north of Felixtowe, I get all Dover channels with a homemade aerial on my shed, approx the height of the upstairs window, yet cannot get all the muxes from my local, Sudbury, with the appropriate roof aerial!
Kevin James
Thursday 12 July 2012 7:43AM
Hi

Since the change over I have noticed most of the 48uhf channes are poor reception. looking at the transmiter there are a number of channels running at 40,000 watts. Why ia this? It's just not enought for good reciption do the advtiser know that they are paying for no pepole to see these channel that know one can see! Its a poor deal for viewers we all had to change our set's and have been let down and sold a lie!!!!!
David
Sunday 15 July 2012 4:28PM
Kevin James
im geting the channels that are runing at 40,000 watts each & 48 UHF ok here.
it mite be down to your setup.

as your asked the multiplexes that run at this power dont have to be the same as the PSB one's as they go out at 80,000 watts each & must cover about 98% as for the com
multiplexes they must cover jest about 90%

but i dont not if iam right. the other david will tell me if im right or not.
KMJ,Derby
Sunday 15 July 2012 5:33PM
Kevin James: It is worth noting that the original analogue transmitters at Dover used to be at 100kW. The power necessary to give the same coverage with the current Freeview transmitters would usually be 20kW, so the COM muxes have double this and the PSB muxes four times the normal power in order to reinforce the signal in the face of possible interference from the continent on those occasions that the inversion effect is experienced. If C48 is the the only frequency giving problems it is possible that slight repositioning of the aerial could effect an improvement to the signal being received on that mux.
Nick
Wednesday 18 July 2012 7:39PM Woodbridge
All fine north of Felixtowe, well out of range.
John McConnell
Friday 27 July 2012 12:58PM
Can anyone explain why during the last week there have been many issues affecting reception of BBC1/2 (and occasionally other channels). Complete loss of signal!
On both TV(internal) and Digibox(external) setups.
I am in the Margate area (using Freesat thankfully) but many of the elderly tenants in this community are now using the governement provided digibox on their TV.
Dave Lindsay
Friday 27 July 2012 1:15PM
John McConnell: The terrestrial Freeview service could be being affected by co-channel interference. See the inversion effect. This does not affect satellite services.
David
Friday 27 July 2012 2:28PM Sandwich
i lost the signal on SDN yesterday but i put this down to the hot wether we have been get in kent. only thing is this did not hit the other com muxes or BBC A or D3&3 muxes.
Jim
Monday 30 July 2012 2:36PM Herne Bay
Here in Herne Bay we lost mux BBCa on Ch50 for a while at the end of last week. I'm sure it was the strange weather conditions - we had a small FM RSL radio station in the area last week, Red Sands Radio, and they commented on reception reports from far and wide during the same period. Normally CH50 is the strongest here. Before switch over a strong analogue signal bouncing in from elsewhere would often swamp our digital mux on the same channel - I was a bit surprised to loose a powerful mux AFTER switch over!

Strangely, on one TV only, I have had problems with the mux on CH59 since switch over. After the problems last week that mux is now coming in fine! Are the engineers still tinkering - or will it go again? Time will tell.
KMJ,Derby
Monday 30 July 2012 5:42PM
Jim: I have just had a look at the William Hepburn's tropospheric ducting forecast for last Friday and there was (for about 6am)a fair chance of ducting in the SE of England, stretching into East Anglia and the North of France. Although the digital signal on C50 is four times that which would normally be used to match the former analogue coverage, the analogue service did not have to contend with C50 being in use at Tacolneston, the nearest English high power transmitter at that time would have been Sutton Coldfield.
Jim
Tuesday 31 July 2012 10:47AM Herne Bay
KMJ,Derby, Thank you - I think you have given me an answer. Here in Herne Bay I have previously got a good analogue signal from Sudbury and Crystal Palace as well as my main transmitter at Dover. Tacolneston only came in occasionally with the weather!

Looking at the channels now used at Tacolneston I can see that as well as CH50 which caused me problems last week, it now also uses CH55 and CH59 (all three channels also in use at Dover).The muxes on CH55 and CH59 have been poorer here after switch over than when on the former low power channels. I guess I'm getting some signal from Tacolneston on the back end of my aerial. I didn't think digital signals would interfere with each other, but 55 & 59 are low power from Dover and very high from Tacolneston so maybe that is my problem?

Thank goodness I also have Sky and Freesat!!
Nick
Tuesday 21 August 2012 10:00PM Farnham
All fine from Dover here in Suffolk, unlike our own transmitters.
jb38
Tuesday 21 August 2012 11:27PM
Nick: If Suffolk, then why is the GU post code being specifically mentioned in brackets? (not seen on your actual posting).
Nick
Wednesday 22 August 2012 9:36AM Farnham
Don't know about that, JB. I am in Aldeburgh and Hollesley, both get full Dover service, but lately lost Sudbury muxes on ch 56, 58 and 60.
Good reception from France on Dover aerial.
I have concluded that it is continental doings that are destroying reception on the coast from Sudbury, but Dover is unaffected. Also note Sudbury are playing with tx again.
Dave Lindsay
Wednesday 22 August 2012 10:12AM
Nick: Based on what you say, I believe that C60 from Sudbury is the worst for you. When it is at its worst, can you receive anything from the Continent on that channel with the aerial facing the Continent?

I understand that the Netherlands and a lot of Belgium use vertical polarised signals, so it might be worth seeing if reception is better that way.

A list of French transmitters with UHF channels is here:

tvignaud.pagesperso-orange.fr link icon http://tvignaud.pagespers….pdf

Does anyone know of similar lists for other countries?
Nick
Wednesday 22 August 2012 10:34AM Farnham
Thanks Dave,
This is what is so hard to understand. c60 is definitely the worst, yet putting the aerial to Holland, or France, on that channel receives nothing.
I will not put the aerial to vertical, they are enough trouble horizontal.
I have also been trying Tac. Under 'normal' conditions I can get most muxes, if not all, but most are currently wiped out.
I will be interested to see if Dover continues to come in in winter, when analogue was weak, and if Sudbury improves. Meanwhile, all is upside down, seems like I need one aerial for winter, and another for summer. Long overdue that they sorted out those foreigners. I have now asked around. Lots of locals given up on freeview.
Sudbury c56, 58, and especially 60, one minute 97%, the next, gone. 41 and 44 almost always fine.
jb38
Wednesday 22 August 2012 1:13PM Farnham
Nick: I only queried this because when I seen your posting listed in "UK.Free TV / Your Comments / Last 50" (as copied and pasted in below) with the Guildford post code specifically printed in brackets at the end of your posting, this "not" seen on the actual posting as Briantist's site scrubs anything in brackets positioned at the end of a posting, I was rather intrigued by this as I am aware that Woodbridge is your usual postal code area.

By the way the Digital UK tradeview predictor also indicates the GU post code and still does on your last posting to Dave, and why Farnham is shown under your name / day / posting made time.

Go up to the very top of the page, and on the right hand side under "Site Settings" make sure that the settings are cleared and that your correct post code is entered.

Heading referred to:
Freeview on the Dover transmitter: Nick All fine from Dover here in Suffolk, unlike our own transmitters.
jb38
Wednesday 22 August 2012 1:20PM
Nick: Another attempt at giving the item referred to

Freeview on the Dover transmitter: Nick All fine from Dover here in Suffolk, unlike our own transmitters. (GU90LT)

The brackets were cut off again in the item copied and pasted into this reply box as they were at the end of "my" posting, so hopefully this additional text "might" stop it happening again.
Nick
Wednesday 22 August 2012 1:32PM Farnham
JB, thanks.
I was looking up the xmitter for a friend in Upper Hale....seems I should have cleared something.
Nick
Wednesday 22 August 2012 1:40PM Aldeburgh
JB,
I can get Clacton for local BBC and ITV but have to turn aerial slightly from Dover. I was considering making a short tribeam, 10 element, in an attempt to get Dover for most channels and Clacton for local. What do you think?
What contortions I have to go through. I wonder what they are currently doing to the Sudbury xmitter.
John McConnell
Friday 24 August 2012 1:46PM Margate
Dave Lindsay
Friday 27 July 2012 1:15PM
John McConnell: The terrestrial Freeview service could be being affected by co-channel interference. See the inversion effect. This does not affect satellite services.

As we seem to have discovered Dave, they had the bright idea of setting up a "light" transmitter on Millmead, which although several stories high as lower than ALL of Margate to the N/Ne of it. In fact the building is placed in a vale, so as you pointed out would serve Tivoli OK.
YET! Prior to digital transmissions, analogue TV for mainly BBC channels was better with almost no loss.
I guess you could say the increased power output now from Dover makes NO difference to Millmead, similar to using explovies with 2 sides uncovered, the blast goes nowhere near intended.
Unless they can figure out a way to bend signals I would say the people on my side of Margate are being unfairly taxed to pay for something they cannot receive. If the commercials channels did this, it would be called fraud.
I have raised this with Laura Sandys, and have received complaints forms to pass out to those I know are affected (mainly elderly pensioners), to provide her with sufficient information to raise in the House (again).
Dave Lindsay
Friday 24 August 2012 3:07PM
John McConnell: It is the case that post-switchover Margate uses Group C/D channels, whereas for the former analogue channels were Group A ones.

Group C/D is the top third of the band of frequencies used for TV. Group A is the bottom third.

Consequently, viewers using Millmead "may" have a Group A aerial whose sensitivity isn't sufficient on the higher C/D channels.


Dover was C/D before switchover and remains so. The reason for Margate changing Group was so that it could become a Single Frequency Network with Dover — that is they broadcast (PSBs only) on the same channels/frequencies, something which works OK for digital signals, but not for analogue.

I wonder, and perhaps one of the pros could give their thoughts on this, whether the difficulty experienced by those whose aerials face Dover, is that the vertically polarised signals from Margate are coming in stronger, perhaps off-beam as well (depending on location), and as a result that this could be the source of poor pictures.

I wonder if the solution may be to re-orientate Dover aerials of affected viewers on to the Margate transmitter (also switching them to vertical polarisation).


I am not dismissing the possibility that your part of town is unable to receive from Millmead now. However:

1. I wonder how sure it is that the difficulties with poor reception have not been greatly reduced due to the increase in power; how can we be sure if no one has tried?

2. I wonder if the poor reception from Dover is being caused by the vertically polarised signals being radiated from Millmead.


Also, if some of the terrain is above the height of the Millmead transmitter, then why might it have difficulty receiving from Dover directly? After all, Dover can be received from the roof of the building on which the transmitter is sited (which you say is lower).
Nick
Friday 24 August 2012 5:32PM Aldeburgh
Come to Suffolk, Dover fine here.
We have similar problems with a 'light' service only from our local transmitter at Aldeburgh who put out, for example, ITV 1plus 1 rather than ITV 3. Our main transmitter at Sudbury is very iffy for the non basic channels but fine for the main ones, can't win, except for opting for Dover.
David
Tuesday 18 September 2012 8:33PM Sandwich
i see from digital uk's site that dover will be having a Final situation in oct 13
what dose this mean.
Dave Lindsay
Tuesday 18 September 2012 8:48PM
David: I imagine it is totally insignificant. A quick look at a number of transmitters shows that they all say this.

Some times there may be a date which says "Reception change" where the reception prediction changes, usually due to another transmitter somewhere having being calculated as potentially having an impact.
Transmitter engineering
Monday 24 September 2012 4:56PM
DOVER transmitter - Freeview BBC Digital TV Wrong Region from 09:06 today to 09:17 today BBC Digital TV Wrong Region from 09:00 today to 09:05 today [BBC]
Transmitter engineering
Tuesday 25 September 2012 7:56AM
DOVER transmitter - Freeview BBC Digital TV Wrong Region from 09:06 yesterday to 09:17 yesterday BBC Digital TV Wrong Region from 09:00 yesterday to 09:05 yesterday [BBC]



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